How severe is CVE-1999-0128?

CVE-1999-0128 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-1999-0128 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 74% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-0128?

CVE-1999-0128 primarily affects Digital Osf 1. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-1999-0128?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-1999-0128 published?

CVE-1999-0128 was published on 1996-12-18 and last updated on 2026-06-16.

CVE-1999-0128

CVE-1999-0128 is a medium-severity vulnerability in Digital Osf 1 with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 74% places it in the 99th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 74% (99th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Digital Osf 1
Published: 1996-12-18
Last modified: 2026-06-16

Description

Oversized ICMP ping packets can result in a denial of service, aka Ping o' Death.

Frequently asked questions

What is CVE-1999-0128?: Oversized ICMP ping packets can result in a denial of service, aka Ping o' Death.
How severe is CVE-1999-0128?: CVE-1999-0128 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-1999-0128 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 74% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-0128?: CVE-1999-0128 primarily affects Digital Osf 1. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-1999-0128?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-1999-0128 published?: CVE-1999-0128 was published on 1996-12-18 and last updated on 2026-06-16.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0128

Affected products (21)

cpe:2.3:o:digital:osf_1:1.3.3:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:3.2:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:4.1:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:4.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:1.3.0:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.0:*:*:*:*:*:*:*
cpe:2.3:o:sco:internet_faststart:1.0:*:*:*:*:*:*:*
cpe:2.3:o:sco:internet_faststart:1.1:*:*:*:*:*:*:*
cpe:2.3:o:sco:open_desktop:3.0:*:*:*:*:*:*:*
cpe:2.3:o:sco:openserver:5.0:*:*:*:*:*:*:*
cpe:2.3:o:sco:openserver:5.0.2:*:*:*:*:*:*:*
cpe:2.3:o:sco:tcp_ip:1.2.1:*:*:*:*:*:*:*
cpe:2.3:o:sun:sunos:5.4:*:*:*:*:*:*:*
cpe:2.3:o:sun:sunos:5.4:*:x86:*:*:*:*:*
cpe:2.3:o:sun:sunos:5.5:*:*:*:*:*:*:*
cpe:2.3:o:sun:sunos:5.5:*:x86:*:*:*:*:*
cpe:2.3:o:sun:sunos:5.5.1:*:*:*:*:*:*:*
cpe:2.3:o:sun:sunos:5.5.1:*:x86:*:*:*:*:*
cpe:2.3:h:ibm:sng:*:*:*:*:*:*:*:*
cpe:2.3:h:ibm:sng:2.1:*:*:*:*:*:*:*
cpe:2.3:h:ibm:sng:2.2:*:*:*:*:*:*:*

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